[Talk-ko] DAUM as a source

Sat Oct 20 04:07:52 GMT 2012

I think all of the tagging should be correct now. By correct I mean free of any unintentional changes caused by the redaction and associated reverts, not any kind of DWG decision on the tagging of the region. That will only be addressed if complaints about the current status is made and it is necessary.

As for geometry improvements, they’re okay. I question how much you can improve it given that the imagery appears to be landsat and is likely offset, but if you think you can improve the geometry without relying on another source, go ahead.

From: Wesley Woo-Duk Hwang-Chung [mailto:wesley96 at gmail.com] 
Sent: Friday, October 19, 2012 7:10 AM
To: Paul Norman; Talk-ko at openstreetmap.org
Subject: Re: [Talk-ko] DAUM as a source

On further inspection, I think the old rendition of the islands suffer from incorrect position and size, and the small islets at the northwestern side is shown as a terrible artifact. With DWG's permission, I'd like to fix this and the incorrect data I mentioned below. I'll be depending mostly on the low-res Bing aerial in order to stay legal (national law or OSM license wise), but it should be better than what's there right now.

I'll place my nodes and ways without any tags at first, so it doesn't render on the map. I'll switch over when there's an okay sign.

On Fri, Oct 19, 2012 at 4:26 PM, Wesley Woo-Duk Hwang-Chung <wesley96 at gmail.com> wrote:

I checked the reverted data now, and it's back when the Japanese users tampered with it. The following need to be fixed like this:

http://www.openstreetmap.org/browse/node/1204196634/history

This node should revert to version 1.

http://www.openstreetmap.org/browse/node/1204196646/history

This node should revert to version 3.

http://www.openstreetmap.org/browse/node/1275586993/history

This node should be deleted.

These changes should put the data back to the point before Japanese users such as "takeshima" started tampering with the area.

나의 iPhone에서 보냄

Wesley (OSM: Namuori)

2012. 10. 19. 14:27 Paul Norman <penorman at mac.com> 작성:

It’s CC BY-SA and not ODbL compatible. There’s the additional problem that it appears to be derived on a map from a South Korean maritime survey institution and a map published by dkbnews, so even if the author gave permission it’s not all his work.

I think there’s a previous less accurate version of the coastline in the history but I’m having trouble finding it. If I can find it, I’ll restore that. It might take a couple of days before I can find it – retrieving history is somewhat of a pain. The area has gone through a *lot* of edits deleting and restoring objects.

I did restore the ferry route tagging.

From: Wesley Woo-Duk Hwang-Chung [mailto:wesley96 at gmail.com] 
Sent: Thursday, October 18, 2012 10:00 PM
To: Talk-ko at openstreetmap.org
Subject: Re: [Talk-ko] DAUM as a source

According to sanha, he doesn't read mailing lists, and he doesn't want to get into too much legal rambling.

The .osm file sanha made to replace the Daum-sourced map is based on this map:

http://en.citizendium.org/wiki/File:Dokdo_zoomin.png

The legal information is there in English. Would this be made to be compatible with ODbL?

The "spirit" seems to be, at least to me. Sadly, according to sanha, the creator is hard to get in contact with.

How should we go about this?

나의 iPhone에서 보냄

- Wesley (OSM: Namuori)

2012. 10. 19. 12:36 Changwoo Ryu <cwryu at debian.org> 작성:

I sent a message explaining those to that mapper.

Actually uploading DAUM data to OSM is more dangerous in Korea than
you think. All online map services in Korea (even Google map) are
based on data mapped by the government. And those government data
can't be exported without approval by a law. (Well it's because...
north korea and national security.. at least the government think so.)
One who violate that law can be put in jail for up to 2 years.

2012/10/19 Paul Norman <penorman at mac.com>:

Apologies for the message in English, but if I knew Korean I wouldn't need

to send it.

The DWG was informed that a Korean mapper

(http://www.openstreetmap.org/user/sanha) had used DAUM as a source.

I'm dealing with redacting the relevant changesets, but the mapper doesn't

speak English and I don't speak Korean so we're communicating through Google

translations.

I was wondering if someone could contact him and explain

- Why DAUM or Google can't be used as sources

and

- How we're on ODbL now, not CC BY-SA

Thanks,

Paul Norman

For the Data Working Group

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-- 
Wesley Hwang-Chung
Tool-Box.info

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